Airplane bed



FIG. 1 is a perspective view of an airplane bed;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown in the drawings illustrate portions of the airplane bed that form no part of the claimed design. 

CLAIM The ornamental design for an airplane bed, as shown and described. 